engineering

Sunrise Tower (Zurich)

Sunrise Tower (Zurich) is a engineering topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Sunrise Tower (Zurich) rather than just read about it. In short: The Sunrise Tower (German: Sonnenaufgangsturm) also known as Hochhaus Hagenholzstrasse is a high-rise office building in Zürich, Switzerland. Built between 2000 and 2004, the composition consists of two cojoined towers standing at 90 m (300 ft) respectively 72.5 m (238 ft), with the taller half being divided into 26 floors.

Key takeaways

Sunrise Tower (Zurich) belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Sunrise Tower (Zurich) to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Sunrise Tower (Zurich) from memory before moving on to harder problems.

Reference excerpt

The Sunrise Tower (German: Sonnenaufgangsturm) also known as Hochhaus Hagenholzstrasse is a high-rise office building in Zürich, Switzerland. Built between 2000 and 2004, the composition consists of two cojoined towers standing at 90 m (300 ft) respectively 72.5 m (238 ft), with the taller half being divided into 26 floors. They share the position of the 15th tallest buildings in Switzerland.

History

Architecture The construction of the Sunrise Tower marked the end of an era in Zürich without high-rise buildings as the city council had not approved any type of these edifices for twenty years. On August 25, 2005, government councilor Hans Hollenstein gave the approval for the complex to the then Sunrise CEO Hans Peter Baumgartner. Construction work on the tower's site began in 2000 and was completed in 2005. It was the result of a design created by the Wäschle Wüst consortium and architect Max Dudler's studio that won the architectural competition. The building was also known as the diAx Tower at the time, as it was promoted by the former mobile phone provider diAx which was its main tenant. Tele Denmark merged Sunrise Communications and diAx to form TDC Switzerland or Sunrise Communications Group AG and took over the construction project, which was then named the Sunrise Tower in line with CI. The building's developer and owner, however, is the Civil Servants' Insurance Fund of the Canton of Zurich (BVK). The company had the building constructed by the general contractor Zschokke for around 200 million francs (€ 212 Million). The building complex corresponds to the first construction phase of the overall development, which was set to demolish four old buildings from the site before the construction was event planned to start. The four office buildings of the complex were grouped around the Quadroplatz Square in order to form one of the most transited areas in the Leutschenbach River area. In addition to the Sunrise Tower, the slightly lower MainTower (with 16 floors) was also set to be part of the overall development once construction was completed. The facade area measures a 18,000 m2 (194,000 sq ft). The total usable gross area of the building (215,000 m2 (2,310,000 sq ft) according to building standard 116 of Swiss Society of Engineers and Architects (SIA)) is furnished in a modern Scandinavian style. The furniture in the canteens and lounges was designed by the Danish designer Arne Jacobsen. The complex architect Max Dudler chose the same materials and proportions for the windows as in the Münster Diocesan Library, project in which he was also involved.

Tenancy TDC began moving its various locations around Zürich into the towers in May 2005. The floors were occupied from top to bottom and the move was completed by September 2005. Around 2,000 people currently work in the complex, with potential for 2,200 jobs. Between 2009 and 2024, large parts of the tower have been used by Credit Suisse IT employees. On November 11, 2009, the Swiss Ueli Gegenschatz sustained serious injuries during a base jump from the Sunrise Tower as part of a promotional campaign, from which he succumbed two days later. At the beginning of February 2010, the entire TDC Switzerland moved out of the building, which is now mostly rented by Credit Suisse and has been re-signed accordingly. On March 10, 2024, it was announced that Credit Suisse were going to terminate the lease effective on July 31.

See also List of tallest buildings in Switzerland

References

External links

Sunrise Tower at CTBUH Sunrise Tower at SkyscraperPage Sunrise Tower at Structurae

Illustrations

Worked examples

Example 1 — a first encounter with Sunrise Tower (Zurich)

Start with the simplest possible case. Write down what Sunrise Tower (Zurich) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Sunrise Tower (Zurich) before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Sunrise Tower (Zurich) ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Sunrise Tower (Zurich)

In research: Sunrise Tower (Zurich) appears in engineering research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Sunrise Tower (Zurich) in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Sunrise Tower (Zurich) is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2004 establishments in Switzerland, Buildings and structures completed in 2004, Commercial buildings in Zurich, so understanding it makes those chapters shorter.
In everyday life: Look for Sunrise Tower (Zurich) outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Sunrise Tower (Zurich) in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Sunrise Tower (Zurich) means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Sunrise Tower (Zurich) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Sunrise Tower (Zurich) in simple terms?

Why does Sunrise Tower (Zurich) matter?

Because it connects several engineering ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Sunrise Tower (Zurich)?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Sunrise Tower (Zurich).